The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1428.7+4234
RA:217.1445 (J2000)
Dec:42.6557 (J2000)
S/N:16.69
Counterpart Name:1ES 1426+428
Ctpt RA:217.1361 (J2000)
Ctpt Dec:42.6724 (J2000)
Flux:18.43 (16.40, 20.59) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.51 (2.33, 2.71)
Chi2r:0.27
Redshift:0.1290
Luminosity:44.92 log[ergs s-1] (14-195 keV)
AS:1
Class:7
Type:BZB

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1428.7+4234

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1428.7+4234

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1428.7+4234

BAT Spectrum for SWIFT J1428.7+4234

Data last modified: 15 Sep 2025
Page last modified: 03 Jun 2025